Add support for lease transition

[src/drm-lease-manager.git] / drm-lease-manager / lease-manager.c

diff --git a/drm-lease-manager/lease-manager.c b/drm-lease-manager/lease-manager.c
index 016f318..6fafb46 100644 (file)
--- a/drm-lease-manager/lease-manager.c
+++ b/drm-lease-manager/lease-manager.c
@@ -372,6 +372,28 @@ int lm_lease_grant(struct lm *lm, struct lease_handle *handle)
        return lease->lease_fd;
 }
 
+int lm_lease_transfer(struct lm *lm, struct lease_handle *handle)
+{
+       assert(lm);
+       assert(handle);
+
+       struct lease *lease = (struct lease *)handle;
+       if (!lease->is_granted)
+               return -1;
+
+       // TODO: close this fd once a frame is presented from the new
+       //       client.
+       int old_lease_fd = dup(lease->lease_fd);
+
+       lm_lease_revoke(lm, handle);
+       if (lm_lease_grant(lm, handle) < 0) {
+               close(old_lease_fd);
+               return -1;
+       }
+
+       return lease->lease_fd;
+}
+
 void lm_lease_revoke(struct lm *lm, struct lease_handle *handle)
 {
        assert(lm);